Failure Diagnosis |
1. |
In principle, ESP and TCS controls are prohibited in case of ABS failure. |
2. |
When ESP or TCS fails, only the failed system control is prohibited. |
3. |
However, when the solenoid valve relay should be turned off in case of ESP failure, refer to the ABS fail-safe. |
4. |
Information on ABS fail-safe is identical to the fail-safe in systems where ESP is not installed. |
Memory of Fail Code
1. |
It keeps the code as far as the backup lamp power is connected. (O) |
2. |
It keeps the code as far as the HCU power is on. (X) |
Failure Checkup
1. |
Initial checkup is performed immediately after the HECU power on. |
2. |
Valve relay checkup is performed immediately after the IG2 ON. |
3. |
It executes the checkup all the time while the IG2 power is on. |
Countermeasures in Fail
1. |
Turn the system down and perform the following actions and wait for HECU power OFF. |
2. |
Turn the valve relay off. |
3. |
Stop the control during the operation and do not execute any until the normal condition recovers. |
Warning Lamp ON
1. |
ESP warning lamp turn on for 3sec after IGN ON. |
2. |
ESP function lamp blinks when ESP Act. |
3. |
If ESP fail occured, ESP warning turns ON. |
4. |
ESP OFF lamp turn on in case of
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